#alvarez hypothesis

[noosphe-re]

The Alvarez hypothesis posits that the mass extinction of the dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth.

Wikipedia

[mostly-history]

Artist’s impression of the Chicxulub Crater soon after an asteroid hit the Yucatán Peninsula, just under 66 million years ago.  The crater raised up a peak ring - a circular series of hills - and its impact was so strong that it threw up material from the bottom of the Earth’s crust (granite and pink granite).

The asteroid impact may also have been responsible for the extinction of the dinosaurs, according to the Alvarez hypothesis.

[goodstuffshow]

We used to think extinction wasn't possible. Georges Cuvier proved it was. But can we stop it from happening today?

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[principleofplenitude]

[bebimbob]

Pharaonic Physics

There has been a flurry of internet news reports of a possible hidden tomb near the tomb of King Tut in the Valley of the Kings.  The tomb may contain the remains of Queen Nefertiti.

A variety of non-invasive technologies have been used to “see behind” apparently solid walls to rooms not visited in over three millennia, including infrared thermography, 3D laser scans, drones, and muon radiography

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[puckle]

Dinosaurs ruled the earth for 150 million years, then suddenly they were gone. Their disappearance is one of the planet’s greatest mysteries – unimaginable, until now.